4870861 has 2 divisors, whose sum is σ = 4870862.
Its totient is φ = 4870860.
The previous prime is 4870843. The next prime is 4870867. The reversal of 4870861 is 1680784.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4862025 + 8836 = 2205^2 + 94^2
It is a cyclic number.
It is not a de Polignac number, because 4870861 - 211 = 4868813 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4870867) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435430 + 2435431.
It is an arithmetic number, because the mean of its divisors is an integer number (2435431).
Almost surely, 24870861 is an apocalyptic number.
It is an amenable number.
4870861 is a deficient number, since it is larger than the sum of its proper divisors (1).
4870861 is an equidigital number, since it uses as much as digits as its factorization.
4870861 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 4870861 is about 2207.0027186209.
The cubic root of 4870861 is about 169.5125714724.
The spelling of 4870861 in words is "four million, eight hundred seventy thousand, eight hundred sixty-one".